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Fan Output
Types
Fan On/Off
O N
O F F
5
3-Speed Fan
Control
3
2
1
10
5
12
Technical Bulletin—TC-9102
The output is a normally open relay contact which closes when the fan is
required to run. Terminals are provided to connect the fan supply voltage
to the controller in order to facilitate the wiring to the fan motor. The fan
supply voltage is not used within the controller.
12
14
16
18
10
Figure 10: On/Off Fan Control - Switch Points
The output is a set of interlocked relay contacts, one contact for each
speed which closes when that speed is selected to run. Terminals are
provided to connect the fan supply voltage to the controller in order to
facilitate the wiring to the fan motor. The fan supply voltage is not used
within the controller.
3
12
14
16
18
Figure 11: 3-Speed Fan Control - Switch Points
20
22
24
26
3
2
2
1
20
22
24
26
R oom
T em perature (°C )
30
R o om
30
T e m p e ra ture (°C )
tc2swpts
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